// Copyright 2024 Ant Group Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include "yacl/math/bigint/bigint_lib.h"
#include "yacl/utils/spi/spi_factory.h"

namespace yacl::math {

class BigIntSpiFactoryBase : public SpiFactoryBase<IBigIntLib> {
 protected:
  static BigIntSpiFactoryBase& Instance() {
    static BigIntSpiFactoryBase factory;
    return factory;
  }

  friend class Registration<BigIntSpiFactoryBase>;
};

class BigIntLibFactory final : public BigIntSpiFactoryBase {
 public:
  static BigIntSpiFactoryBase& Instance();

  static const std::shared_ptr<IBigIntLib>& DefaultBigIntLib();
};

}  // namespace yacl::math
